Preheat oven to 225º F. Line a baking sheet with parchment. Spray the parchment paper lightly with canola cooking spray and use a paper towel to wipe and evenly coat.
In the bowl of a stand mixer fitted with a wire whisk, beat the eggs with the cream of tarter and salt until foamy. High speed for 2 minutes.
Reduce speed to medium, slowly add in the sugar. Increase the speed to high and beat until stiff peaks form. 7-8 minutes. Add the vanilla in the last minute.
Dollop the meringue onto the baking sheet and spread into a 8 - 9-inch round or oval. Bake the meringue for 1 hour and 45 minutes. Turn off the oven, leaving the meringue in the oven for 1 hour. Cool completely for at least 2 hours
Preheat oven to 400º F.
Layer a baking sheet with 2 layers of foil. Toss half of the berries with lemon and sugar. Spread on the pan and bake for 10 minutes, until juicy. Cool completely.
In the bowl of a stand mixer fitted with a wire whisk, beat the whipped cream with the lemon curd until stiff peaks form.
7 Spoon the whipped cream onto the meringue shell. Top with the roasted berries and then the fresh berries.